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Needs Maintenance

Needs Maintenance

Needs Maintenance

We had some SAN disks go to "Needs Maintenance" mode.

When checked they are ok, SAN software says so.

So we need to do a metareplace, but this box is set up with single disk mirrors.

d415: Mirror
    Submirror 0: d416
      State: Needs maintenance
    Pass: 1
    Read option: roundrobin (default)
    Write option: parallel (default)
    Size: 2139029504 blocks (1019 GB)

d416: Submirror of d415
    State: Needs maintenance
    Invoke: after replacing "Maintenance" components:
                metareplace d415 /dev/dsk/c7t600A0B800011EBB20000DD614BC618E7d0s0 <new device>
    Size: 2139029504 blocks (1019 GB)
    Stripe 0:
        Device                                             Start Block  Dbase        State Reloc Hot Spare
        /dev/dsk/c7t600A0B800011EBB20000DD614BC618E7d0s0          0     No      Last Erred   Yes

So the question is will

metareplace -e d415 /dev/dsk/c7t600A0B800011EBB20000DD614BC618E7d0s0


RE: Needs Maintenance


Not really sure how you candle that, basically a mirror was only half created. as no other submirror in the mirror.

Personally if you have enough space on the san I would create another volume of the same size and try to dd the info from the existing drive(needs maintenance to the newly created drive before doing anything with the needs maintenance drive.

Then you could try metareplace -e d415 /dev/dsk/c7t600A0B800011EBB20000DD614BC618E7d0s0

I am very interested in your resolution to this.

Otherwise you may need to metaclear the complete mirror

metaclear -r d415       (this should not effect any data on the volume)

then just recreate.

RE: Needs Maintenance

Ya that is what I thought, forgot you would need the -f to force it since it is in a state other than ok.

Thanks for posting back. good ref doc.

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